Is the Air Quality Index enough? What the AQI can — and can't — tell you about how healthy the atmosphere is.
After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free skies this week. The Air Quality Index (AQI) — which measures the ...
What the Air Quality Index Means for Your Health—and How to Stay Safe
Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.
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What AQI actually says (and overlooks)
The air quality index (AQI) in many LA regions looks good, but that doesn't mean the air is safe. Why it matters: The AQI in ...
What to Know About Wildfire Smoke and Air Quality
The LA wildfires have burned tens of thousands of acres – but on some weather maps, air quality still looks good. What’s going on?